mirror of
https://github.com/fofolee/uTools-Manuals.git
synced 2025-06-18 13:57:03 +08:00
128 lines
6.3 KiB
HTML
128 lines
6.3 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
|
||
<html>
|
||
<head>
|
||
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
|
||
<title>创建资源流上下文</title>
|
||
</head>
|
||
<body class="docs"><div id="layout">
|
||
<div id="layout-content"><div id="function.stream-context-create" class="refentry">
|
||
<div class="refnamediv">
|
||
<h1 class="refname">stream_context_create</h1>
|
||
<p class="verinfo">(PHP 4 >= 4.3.0, PHP 5, PHP 7)</p><p class="refpurpose"><span class="refname">stream_context_create</span> — <span class="dc-title">创建资源流上下文</span></p>
|
||
|
||
</div>
|
||
<div class="refsect1 description" id="refsect1-function.stream-context-create-description">
|
||
<h3 class="title">说明</h3>
|
||
<div class="methodsynopsis dc-description">
|
||
<span class="methodname"><strong>stream_context_create</strong></span>
|
||
([ <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>
|
||
[, <span class="methodparam"><span class="type">array</span> <code class="parameter">$params</code></span>
|
||
]] ) : <span class="type">resource</span></div>
|
||
|
||
<p class="para rdfs-comment">
|
||
创建并返回一个资源流上下文，该资源流中包含了 <code class="parameter">options</code> 中提前设定的所有参数的值。
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 parameters" id="refsect1-function.stream-context-create-parameters">
|
||
<h3 class="title">参数</h3>
|
||
<p class="para">
|
||
<dl>
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">options</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
必须是一个二维关联数组，格式如下：<em>$arr['wrapper']['option'] = $value</em> 。
|
||
</p>
|
||
<p class="para">
|
||
默认是一个空数组。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
|
||
<dt>
|
||
<code class="parameter">params</code></dt>
|
||
|
||
<dd>
|
||
|
||
<p class="para">
|
||
必须是 <em>$arr['parameter'] = $value</em> 格式的关联数组。
|
||
请参考 <a href="context.html" class="link">context parameters</a> 里的标准资源流参数列表。
|
||
</p>
|
||
</dd>
|
||
|
||
|
||
</dl>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 returnvalues" id="refsect1-function.stream-context-create-returnvalues">
|
||
<h3 class="title">返回值</h3>
|
||
<p class="para">
|
||
上下文资源流，类型为 <span class="type"><a href="language.types.resource.html" class="type resource">resource</a></span> 。
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 changelog" id="refsect1-function.stream-context-create-changelog">
|
||
<h3 class="title">更新日志</h3>
|
||
<p class="para">
|
||
<table class="doctable informaltable">
|
||
|
||
<thead>
|
||
<tr>
|
||
<th>版本</th>
|
||
<th>说明</th>
|
||
</tr>
|
||
|
||
</thead>
|
||
|
||
<tbody class="tbody">
|
||
<tr>
|
||
<td>5.3.0</td>
|
||
<td>
|
||
增加了可选参数 <code class="parameter">params</code> 。
|
||
</td>
|
||
</tr>
|
||
|
||
</tbody>
|
||
|
||
</table>
|
||
|
||
</p>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 examples" id="refsect1-function.stream-context-create-examples">
|
||
<h3 class="title">范例</h3>
|
||
<div class="example" id="example-4813">
|
||
<p><strong>Example #1 使用 <span class="function"><strong>stream_context_create()</strong></span></strong></p>
|
||
<div class="example-contents">
|
||
<div class="phpcode"><pre><span style="color: #000000">
|
||
<span style="color: #0000BB"><?php<br />$opts </span><span style="color: #007700">= array(<br /> </span><span style="color: #DD0000">'http'</span><span style="color: #007700">=>array(<br /> </span><span style="color: #DD0000">'method'</span><span style="color: #007700">=></span><span style="color: #DD0000">"GET"</span><span style="color: #007700">,<br /> </span><span style="color: #DD0000">'header'</span><span style="color: #007700">=></span><span style="color: #DD0000">"Accept-language: en\r\n" </span><span style="color: #007700">.<br /> </span><span style="color: #DD0000">"Cookie: foo=bar\r\n"<br /> </span><span style="color: #007700">)<br />);<br /><br /></span><span style="color: #0000BB">$context </span><span style="color: #007700">= </span><span style="color: #0000BB">stream_context_create</span><span style="color: #007700">(</span><span style="color: #0000BB">$opts</span><span style="color: #007700">);<br /><br /></span><span style="color: #FF8000">/* Sends an http request to www.example.com<br /> with additional headers shown above */<br /></span><span style="color: #0000BB">$fp </span><span style="color: #007700">= </span><span style="color: #0000BB">fopen</span><span style="color: #007700">(</span><span style="color: #DD0000">'http://www.example.com'</span><span style="color: #007700">, </span><span style="color: #DD0000">'r'</span><span style="color: #007700">, </span><span style="color: #0000BB">false</span><span style="color: #007700">, </span><span style="color: #0000BB">$context</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fpassthru</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">fclose</span><span style="color: #007700">(</span><span style="color: #0000BB">$fp</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">?></span>
|
||
</span>
|
||
</pre></div>
|
||
</div>
|
||
|
||
</div>
|
||
</div>
|
||
|
||
|
||
<div class="refsect1 seealso" id="refsect1-function.stream-context-create-seealso">
|
||
<h3 class="title">参见</h3>
|
||
<ul class="simplelist">
|
||
<li class="member"><span class="function"><a href="stream_context_set_option.html" class="function" rel="rdfs-seeAlso">stream_context_set_option()</a> - 对资源流、数据包或者上下文设置参数</span></li>
|
||
<li class="member">Listing of supported wrappers (<a href="wrappers.html" class="xref">支持的协议和封装协议</a>)</li>
|
||
<li class="member">Context options (<a href="context.html" class="xref">上下文（Context）选项和参数</a>)</li>
|
||
</ul>
|
||
</div>
|
||
|
||
</div></div></div></body></html> |